1 ; RUN: opt -scalarrepl -S < %s | FileCheck %s 2 ; rdar://9786827 3 4 ; SROA should be able to handle the mixed types and eliminate the allocas here. 5 6 ; TODO: Currently it does this by falling back to integer "bags of bits". 7 ; With enough cleverness, it should be possible to convert between <3 x i32> 8 ; and <2 x i64> by using a combination of a bitcast and a shuffle. 9 10 ; CHECK: { 11 ; CHECK-NOT: alloca 12 ; CHECK: } 13 14 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32" 15 target triple = "i386-apple-darwin11.0.0" 16 17 define <2 x i64> @foo() nounwind { 18 entry: 19 %retval = alloca <3 x i32>, align 16 20 %z = alloca <4 x i32>, align 16 21 %tmp = load <4 x i32>* %z 22 %tmp1 = shufflevector <4 x i32> %tmp, <4 x i32> undef, <3 x i32> <i32 0, i32 1, i32 2> 23 store <3 x i32> %tmp1, <3 x i32>* %retval 24 %0 = bitcast <3 x i32>* %retval to <2 x i64>* 25 %1 = load <2 x i64>* %0, align 1 26 ret <2 x i64> %1 27 } 28
